How To Fix /IWBEP/EPM_SO002 - Invalid filter paramater passed in the query request

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/EPM_SO -

• Message number: 002

• Message text: Invalid filter paramater passed in the query request

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/EPM_SO002 - Invalid filter paramater passed in the query request ?

  The SAP error message /IWBEP/EPM_SO002 Invalid filter parameter passed in the query request typically occurs in the context of SAP Gateway or OData services when there is an issue with the filter parameters being sent in a query request. This error indicates that the filter parameters provided in the request do not match the expected format or values defined in the OData service.
  Causes:
  
  Incorrect Filter Syntax: The filter parameters may be incorrectly formatted. For example, using invalid characters or incorrect operators.
  Unsupported Data Types: The filter may be trying to use a data type that is not supported by the OData service.
  Non-existent Fields: The filter may reference fields that do not exist in the entity set.
  Value Mismatch: The values provided in the filter may not match the expected values (e.g., case sensitivity issues).
  Service Metadata Issues: The OData service metadata may not be correctly defined, leading to discrepancies in expected parameters.
  
  Solutions:
  
  Check Filter Syntax: Review the syntax of the filter parameters being sent in the request. Ensure that they conform to the OData query standards.
  Validate Field Names: Ensure that all field names used in the filter are valid and exist in the entity set. You can check the service metadata (usually accessible via the $metadata endpoint).
  Data Type Verification: Make sure that the values being passed in the filter match the expected data types for the fields.
  Use Correct Operators: Ensure that you are using the correct operators (e.g., eq, ne, gt, lt, etc.) and that they are appropriate for the data types.
  Check for Case Sensitivity: OData is case-sensitive, so ensure that the field names and values are correctly cased.
  Review Service Implementation: If you have access to the backend, review the implementation of the OData service to ensure that it is correctly handling the filter parameters.
  
  Related Information:
  
  OData Documentation: Familiarize yourself with the OData protocol and its query options. The official OData documentation can provide insights into valid query syntax and usage.
  SAP Gateway Logs: Check the SAP Gateway logs for more detailed error messages that may provide additional context about the issue.
  Testing Tools: Use tools like Postman or SAP Gateway Client to test your OData queries and see how different filter parameters affect the response.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.